The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Western Helicopters, INC

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Bell 47. FAA spelling: Western Helicopters, Inc.

Approved modifications 1 · newest first

Bell 47 1
1974-11-11SH173WE · Installation of derated Lycoming TVO-435-B1A or TVO-435-B1B engine in lieu of TVO-435-A1A engine using existing... · 47G-3B

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.